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Description

Hardener for Epoxy Resin L

The resin system Epoxy Resin L + Hardener CL yields superior impregnating and wetting properties towards carbon, glass, aramid and natural fibres. It is especially suitable for carbon coating of automotive parts.

  • Low-viscous
  • High degree of UV stability
  • Tack-free curing even of thin layers
  • Glass transition temperature (Tg) > 90 °C (post-curing at 70 °C / 15 h)
  • High static and dynamic strength (equal to Epoxy Resin L 285 with Hardener 285)
  • Free of nonylphenol and DETA

Processing time: 60 minutes (100 g / 20 °C)

Mixing ratio:
100 : 30 parts by weight resin : hardener
100 : 35 parts by volume resin : hardener

The resin system is ambient curing and develops no distinctive brittleness even at curing temperatures below 20 °C (for at least 48 h). We however recommend, to improve the physical and chemical properties, to perform a post-curing at least at 40 °C over 15 h.

It exhibits a very good price/performance ratio and is suitable for the following processing procedures:

  • Hand laminating
  • Vacuum moulding
  • Press moulding

Technical Data:

Viscosity at 23°C in mPa*s 70-120
Density at 23 °C in g/cm³ 0.95-0.97
Colour (Gardner) < 2
H*-equivalent weight in g/Eq 54
Solid content in % 100

Mechanical properties (pure resin cured*) of Epoxy Resin L + Hardener CL

Flexural test

Flexural strength DIN EN ISO 178 in MPa 137
Surface strain at maximum stress 6.8 %
Surface strain (no specimen failure) 7 %
Flexural modulus 3220

 

Tensile test

Tensile strength (DIN EN ISO 527) in MPa 82.8
Elongation at maximum strain 4.9 %
Elongation at break 5.5 %
Tensile modulus in MPa 3190

 

Compression test

Compressive strength (DIN EN ISO 604) at 6 % compression

111

 

Shrinkage

Linear shrinkage (DIN EN 12617-1) 0.3 %

*at 1 h 23 °C + 5 h 70 °C + 5 h 80 °C)

CYTOX Expertise for the resin system Epoxy resin L + Hardener CL: this system is not cytotoxic (cell damaging), important for applications in medical purposes!

Please order Epoxy Resin L separately.

Variant Selection

Hardener CL (60 min) bottle/ 750 g

required resin quantity: 2.5 kg Epoxy resin L
Only 18 left in stock, more on the way  (delivery time 1-2 days) Order no.: 109285-H-2
22,73 € (Base Price 30,31 € /  kg)

Hardener CL (60 min) canister/ 3 kg

required resin quantity: 10 kg Epoxy resin L
Only 11 left in stock, more on the way  (delivery time 1-2 days) Order no.: 109285-H-3
77,62 € (Base Price 25,87 € /  kg)

Hardener CL (60 min) canister/ 7.5 kg

required resin quantity: 25 kg Epoxy resin L
Only 7 left in stock, more on the way  (delivery time 1-2 days) Order no.: 109285-H-4
172,86 € (Base Price 23,05 € /  kg)

Hardener CL (60 min) canister/ 20 kg

required resin quantity: 66,7 kg Epoxy resin L
Only 1 left in stock, more on the way  (delivery time 1-2 days) Order no.: 109285-H-5
410,23 € (Base Price 20,51 € /  kg)

Scaled Price

  • From Qty 2: 5,0%
  • From Qty 4: 10,0%
  • From Qty 6: 15,0%
  • From Qty 10: 20,0%

all Prices  price incl. VAT, possibly plus shipping

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